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evaluation of Koenderink's Shape Index and Curvedness from curvature

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As requested in issue #65
This commit is contained in:
Paolo Cignoni 2017-01-29 18:22:02 +01:00
parent ac2b0ab482
commit 6e2ced7459
1 changed files with 16 additions and 11 deletions
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27
src/meshlabplugins/filter_meshing/meshfilter.cpp
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@ -338,18 +338,20 @@ QString ExtraMeshFilterPlugin::filterInfo(FilterIDType filterID) const
void ExtraMeshFilterPlugin::initParameterSet(QAction * action, MeshModel & m, RichParameterSet & parlst)
{
float maxVal;
QStringList methods;
QStringList curvCalcMethods;
QStringList curvColorMethods;
QStringList loopWeightLst;
switch(ID(action))
{
case FP_COMPUTE_PRINC_CURV_DIR:
methods.push_back("Taubin approximation");
methods.push_back("Principal Component Analysis");
methods.push_back("Normal Cycles");
methods.push_back("Pseudoinverse Quadric Fitting");
parlst.addParam(new RichEnum("Method", 3, methods, tr("Method:"), tr("Choose a method")));
parlst.addParam(new RichEnum("CurvatureType", 0, QStringList()<<"Mean Curvature"<<"Gaussian Curvature"<<"None", tr("Color Mapping"), QString("Choose the curvature that is mapped into quality and visualized as per vertex color.")));
curvCalcMethods.push_back("Taubin approximation");
curvCalcMethods.push_back("Principal Component Analysis");
curvCalcMethods.push_back("Normal Cycles");
curvCalcMethods.push_back("Pseudoinverse Quadric Fitting");
curvColorMethods << "Mean Curvature"<<"Gaussian Curvature"<<"Min Curvature"<<"Max Curvature" << "Shape Index"<< "CurvedNess" <<"None";
parlst.addParam(new RichEnum("Method", 3, curvCalcMethods, tr("Method:"), tr("Choose a method")));
parlst.addParam(new RichEnum("CurvColorMethod", 0, curvColorMethods, tr("Quality/Color Mapping"), QString("Choose the curvature that is mapped into quality and visualized as per vertex color.")));
parlst.addParam(new RichBool("Autoclean",true,"Remove Unreferenced Vertices","If selected, before starting the filter will remove anyy unreference vertex (for which curvature values are not defined)"));
break;
@ -1237,17 +1239,20 @@ switch(ID(filter))
case 3: tri::UpdateCurvatureFitting<CMeshO>::computeCurvature(m.cm); break;
default:assert(0);break;
}
switch(par.getEnum("CurvatureType"))
switch(par.getEnum("CurvColorMethod"))
{
case 0: tri::UpdateQuality<CMeshO>::VertexFromMeanCurvatureDir (m.cm); break;
case 1: tri::UpdateQuality<CMeshO>::VertexFromGaussianCurvatureDir(m.cm); break;
case 2: tri::UpdateQuality<CMeshO>::VertexFromGaussianCurvatureDir(m.cm); break;
case 2: tri::UpdateQuality<CMeshO>::VertexFromMinCurvatureDir(m.cm); break;
case 3: tri::UpdateQuality<CMeshO>::VertexFromMaxCurvatureDir(m.cm); break;
case 4: tri::UpdateQuality<CMeshO>::VertexFromShapeIndexCurvatureDir(m.cm); break;
case 5: tri::UpdateQuality<CMeshO>::VertexFromCurvednessCurvatureDir(m.cm); break;
case 6: tri::UpdateQuality<CMeshO>::VertexConstant(m.cm,0); break;
}
Histogramf H;
tri::Stat<CMeshO>::ComputePerVertexQualityHistogram(m.cm,H);
if(par.getEnum("CurvatureType")!=2)
tri::UpdateColor<CMeshO>::PerVertexQualityRamp(m.cm,H.Percentile(0.1f),H.Percentile(0.9f));
tri::UpdateColor<CMeshO>::PerVertexQualityRamp(m.cm,H.Percentile(0.1f),H.Percentile(0.9f));
Log( "Curvature Range: %f %f (Used 90 percentile %f %f) ",H.MinV(),H.MaxV(),H.Percentile(0.1f),H.Percentile(0.9f));
} break;